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1 files changed, 95 insertions, 0 deletions

diff --git a/ace/Shared_Memory_MM.h b/ace/Shared_Memory_MM.h
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+/* -*- C++ -*- */
+// $Id$
+
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+// 
+// = FILENAME
+//    Shared_Memory_MM.h
+//
+// = AUTHOR
+//    Doug Schmidt 
+// 
+// ============================================================================
+
+#if !defined (ACE_SHARED_MALLOC_MM_H)
+#define ACE_SHARED_MALLOC_MM_H
+
+#include "ace/Shared_Memory.h"
+#include "ace/Mem_Map.h"
+
+class ACE_Export ACE_Shared_Memory_MM : public ACE_Shared_Memory
+  // = TITLE
+  //     Shared memory wrapper based on MMAP.
+{
+public:
+  // = Initialization and termination methods.
+  ACE_Shared_Memory_MM (void);
+  ACE_Shared_Memory_MM (ACE_HANDLE handle, 
+			int length = -1, 
+			int prot = PROT_RDWR, 
+			int share = MAP_PRIVATE, 
+			char *addr = 0, 
+			off_t pos = 0);
+  ACE_Shared_Memory_MM (char file_name[], 
+			int len = -1, 
+			int flags = O_RDWR | O_CREAT,
+			int mode = ACE_DEFAULT_PERMS, 
+			int prot = PROT_RDWR, 
+			int share = MAP_SHARED, 
+			char *addr = 0, off_t pos = 0);
+
+  int open (ACE_HANDLE handle, 
+	    int length = -1, 
+	    int prot = PROT_RDWR, 
+	    int share = MAP_PRIVATE, 
+	    char *addr = 0, 
+	    off_t pos = 0);
+
+  int open (char file_name[], 
+	    int len = -1, 
+	    int flags = O_RDWR | O_CREAT, 
+	    int mode = ACE_DEFAULT_PERMS, 
+	    int prot = PROT_RDWR, 
+	    int share = MAP_SHARED, 
+	    char *addr = 0, 
+	    off_t pos = 0);
+
+  virtual int close (void);
+  // Close down the shared memory segment.
+
+  virtual int remove (void);
+  // Remove the shared memory segment and the underlying file.
+
+  // = Allocation and deallocation methods.
+  virtual void *malloc (size_t size = 0);
+  // Create a new chuck of memory containing <size> bytes.
+
+  virtual int free (void *p);
+  // Free a chuck of memory allocated by <ACE_Shared_Memory_MM::malloc>.
+  
+  virtual int get_segment_size (void) const;
+  // Return the size of the shared memory segment.
+  
+  virtual ACE_HANDLE get_id (void) const;
+  // Return the ID of the shared memory segment (i.e., an ACE_HANDLE).
+
+  void dump (void) const;
+  // Dump the state of an object.
+
+  ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+
+private:
+   ACE_Mem_Map shared_memory_;
+   // This version is implemented with memory-mapped files.
+};
+
+#if defined (__ACE_INLINE__)
+#include "ace/Shared_Memory_MM.i"
+#endif /* __ACE_INLINE__ */
+
+#endif /* ACE_SHARED_MALLOC_MM_H */